When you were a teen, we’ll bet that at least twice in your life someone told you that dairy causes acne. You probably ignored it because it was coming from your one friend who comes up with some new miracle diet that “totally changed her life” about twice a year (we all have this friend) and because, well, cheese…

As I was power-clicking through my Snapchat feed, Kim Kardashian’s familiar voice piped in. “Ok guys, my morning routine.” *turns volume up* (Allure editors have a habit of trying Kardashian-endorsed products, after all.) She goes on to talk about her five-step regimen—including the basics like oil, eye serum, and moisturizer—but when I went to do research on the products (for this story, of course) I realized something kind of insane…